void lucScalarFieldCrossSection_DrawCrossSection( void* drawingObject, lucDatabase* database, Bool backFacing)
{
lucScalarFieldCrossSection* self = (lucScalarFieldCrossSection*)drawingObject;
/* Sample the 2d cross-section */
lucCrossSection_SampleField(self, backFacing);
/* Calibrate Colour Map */
if (self->colourMap)
lucColourMap_CalibrateFromFieldVariable(self->colourMap, self->fieldVariable);
if (self->context->rank == 0)
{
int d;
int count = self->resolutionA * self->resolutionB;
lucDatabase_AddGridVertices(database, count, self->resolutionB, &self->vertices[0][0][0]);
lucDatabase_AddValues(database, count, lucGridType, lucColourValueData, self->colourMap, &self->values[0][0][0]);
/* Flip normal if back facing */
if (backFacing)
for (d=0; d<3; d++)
self->normal[d] = 0 - self->normal[d];
/* Add a single normal value */
lucDatabase_AddNormal(database, lucGridType, self->normal);
}
/* Free memory */
lucCrossSection_FreeSampleData(self);
/* Start new geometry section - when used with multiple sections */
lucDatabase_OutputGeometry(database, self->id);
}
void lucMeshSampler_DrawSlice(lucMeshSampler* self, lucDatabase* database)
{
/* Corners */
float corners[6] = {self->min[0], self->min[1], self->min[2],
self->max[0], self->max[1], self->max[2]};
/* Sample the 2d cross-section */
lucMeshCrossSection_Sample(self, False);
if (self->rank == 0 && database)
{
/* Write slice values on root processor */
lucDatabase_AddVolumeSlice(database, self->elementRes[I_AXIS]+1, self->elementRes[J_AXIS]+1, corners, self->colourMap, &self->values[0][0][0]);
}
lucCrossSection_FreeSampleData(self);
/* Start new geometry section - when used with multiple sections */
lucDatabase_OutputGeometry(database, self->id);
}
void _lucIsosurface_Draw( void* drawingObject, lucDatabase* database, void* _context )
{
lucIsosurface* self = (lucIsosurface*)drawingObject;
/* Calibrate Colour Map */
if (self->colourMap)
{
if (self->colourField )
lucColourMap_CalibrateFromFieldVariable( self->colourMap, self->colourField );
else
/* Colour based on isovalue */
lucColourMap_CalibrateFromFieldVariable( self->colourMap, self->isosurfaceField );
}
/* Export triangles, separating walls and surface into two geometry objects */
/* Export surface triangles */
_lucIsosurface_Write(self, database, False);
/* Start new geometry section */
lucDatabase_OutputGeometry(database, self->id);
/* Export wall triangles */
_lucIsosurface_Write(self, database, True);
}
